<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        @import url(https://fonts.googleapis.com/css?family=Roboto:300);
        .login-page {
            width: 360px;
            padding: 8% 0 0;
            margin: auto;
        }
        
        .form {
            position: relative;
            z-index: 1;
            background: #FFFFFF;
            max-width: 360px;
            margin: 0 auto 100px;
            padding: 45px;
            text-align: center;
            box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24);
        }
        
        .form input {
            font-family: "Roboto", sans-serif;
            outline: 0;
            background: #f2f2f2;
            width: 100%;
            border: 0;
            margin: 0 0 15px;
            padding: 15px;
            box-sizing: border-box;
            font-size: 14px;
        }
        
        .form button {
            font-family: "Microsoft YaHei", "Roboto", sans-serif;
            text-transform: uppercase;
            outline: 0;
            background: #4CAF50;
            width: 100%;
            border: 0;
            padding: 15px;
            color: #FFFFFF;
            font-size: 14px;
            -webkit-transition: all 0.3 ease;
            transition: all 0.3 ease;
            cursor: pointer;
        }
        
        .form button:hover,
        .form button:active,
        .form button:focus {
            background: #43A047;
        }
        
        .form .message {
            margin: 15px 0 0;
            color: #b3b3b3;
            font-size: 12px;
        }
        
        .form .message a {
            color: #4CAF50;
            text-decoration: none;
        }
        
        .form .register-form {
            display: none;
        }
        
        .container {
            position: relative;
            z-index: 1;
            max-width: 300px;
            margin: 0 auto;
        }
        
        .container:before,
        .container:after {
            content: "";
            display: block;
            clear: both;
        }
        
        .container .info {
            margin: 50px auto;
            text-align: center;
        }
        
        .container .info h1 {
            margin: 0 0 15px;
            padding: 0;
            font-size: 36px;
            font-weight: 300;
            color: #1a1a1a;
        }
        
        .container .info span {
            color: #4d4d4d;
            font-size: 12px;
        }
        
        .container .info span a {
            color: #000000;
            text-decoration: none;
        }
        
        .container .info span .fa {
            color: #EF3B3A;
        }
        
        body {
            background: #76b852;
            /* fallback for old browsers */
            background: -webkit-linear-gradient(right, #76b852, #8DC26F);
            background: -moz-linear-gradient(right, #76b852, #8DC26F);
            background: -o-linear-gradient(right, #76b852, #8DC26F);
            background: linear-gradient(to left, #76b852, #8DC26F);
            font-family: "Roboto", sans-serif;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        .shake_effect {
            -webkit-animation-name: shake;
            animation-name: shake;
            -webkit-animation-duration: 1s;
            animation-duration: 1s;
        }
        
        @-webkit-keyframes shake {
            from,
            to {
                -webkit-transform: translate3d(0, 0, 0);
                transform: translate3d(0, 0, 0);
            }
            10%,
            30%,
            50%,
            70%,
            90% {
                -webkit-transform: translate3d(-10px, 0, 0);
                transform: translate3d(-10px, 0, 0);
            }
            20%,
            40%,
            60%,
            80% {
                -webkit-transform: translate3d(10px, 0, 0);
                transform: translate3d(10px, 0, 0);
            }
        }
        
        @keyframes shake {
            from,
            to {
                -webkit-transform: translate3d(0, 0, 0);
                transform: translate3d(0, 0, 0);
            }
            10%,
            30%,
            50%,
            70%,
            90% {
                -webkit-transform: translate3d(-10px, 0, 0);
                transform: translate3d(-10px, 0, 0);
            }
            20%,
            40%,
            60%,
            80% {
                -webkit-transform: translate3d(10px, 0, 0);
                transform: translate3d(10px, 0, 0);
            }
        }
    </style>
</head>

<body>
    <div id="wrapper" class="login-page">
        <div id="login_form" class="form">
            <form class="register-form">
                <input type="text" placeholder="用户名" id="r_user_name" />
                <input type="password" placeholder="密码" id="r_password" />
                <input type="text" placeholder="电子邮件" id="r_email" />
                <button id="create">创建账户</button>
                <p class="message">已经有了一个账户? <a href="#">立刻登录</a></p>
            </form>
            <form class="login-form">
                <input type="text" placeholder="用户名" id="user_name" />
                <input type="password" placeholder="密码" id="password" />
                <button type="submit" id="login">登　录</button>
                <p class="message">还没有账户? <a href="#">立刻创建</a></p>
            </form>
        </div>
    </div>
    <script src="JS/Jquery.min.js"></script>
    <script>
        // function check_login() {

        // }

        function check_register() {
            var name = $("#r_user_name").val();
            var pass = $("#r_password").val();
            var email = $("#r_email").val();
            if (localStorage.getItem(name)) {
                alert('该账号已存在')
                return;
            }
            if (name != "" || pass == "" || email != "") {
                alert("注册成功！");
                $("#user_name").val("");
                $("#password").val("");
                // localStorage.setItem({
                //         r_user_name,
                //         name
                //     }, {
                //         r_password,
                //         pass
                //     }, {
                //         r_email,
                //         email
                //     })
                localStorage.setItem(name, name)
                localStorage.setItem(pass, pass)
                localStorage.setItem(email, email)
            } else {
                $("#login_form").removeClass('shake_effect');
                setTimeout(function() {
                    $("#login_form").addClass('shake_effect')
                }, 1);
            }
        }
        $("#create").click(function() {
            check_register();
            // return true;
        })
        $("#login").click(function() {
            // check_login();
            // return true;
            var name = $("#user_name").val();

            var pass = $("#password").val();
            if (name == localStorage.getItem(name) && pass == localStorage.getItem(pass)) {
                alert("登录成功！");
                // location.href = 'index.html'
                window.open("index.html")
                    // $("#user_name").val("");
                    // $("#password").val("");
                localStorage.setItem('currentUser', name)

            } else {
                $("#login_form").removeClass('shake_effect');
                setTimeout(function() {
                    $("#login_form").addClass('shake_effect')
                }, 1);
            }
        })
        $('.message a').click(function() {
            $('form').animate({
                height: 'toggle',
                opacity: 'toggle'
            }, 'slow');
        });
    </script>
</body>

</html>